A 12V lamp, 36W is switched on for 1 hour. Find the energy supplied by the battery.
E = P*t = 36 * 3600 = 1.3 * 105 J
RA
Related Physics A Level answers
All answers ▸Why does temperature effect the resistance of conductors?
A ball is thrown up with an initial velocity of 8 m/s and initial height of 1.5m above the ground. Calculate the maximum height the ball reaches and the time it takes to get there.
Is F=ma Newton's 2nd Laws of Motion?
Single electrons travelling at 550 ms^-1 are passed through a diffraction grating with a spacing between the slits of 2.5 micrometers. What would the angle between the zeroth and first maximum of the resulting interference pattern be?